Andrew L. Defazio, MD
Obstetrics & Gynecology Physician · Florham Park, NJ
Andrew L. Defazio, MD is an obstetrics & gynecology physician with a practice address in Florham Park, New Jersey, and NPI 1568435824, issued on Feb 8, 2006. Check the license on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Andrew L. Defazio
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 231599 NY
Self-reported in NPPES; status is on the state search - Practice location
- 140 Park Ave, Florham Park, NJ 07932
- Phone
- (973) 718-5775
- Enumerated
- Feb 8, 2006
- Record last updated
- Feb 3, 2025
- Fax
- (973) 314-8931
- Medicaid ID
- 02567242 NY
- Medicare enrollment
- Enrolled (PECOS I20250214000085); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Stony Brook, School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,362 in New Jersey → Look up another NPI →
Also registered at 140 Park Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Zubin Bamboat, MDSurgical Oncology Physician1891821567
Verify Andrew L. Defazio in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
52 Medicare Part D claims for 29 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $114.31
1 payment: food and beverage; the largest payer was Sumitomo Pharma America, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Summit Medical Group PABerkeley Heights, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew L. Defazio among 1,362 obstetrics & gynecology physician records in New Jersey
Andrew L. Defazio, MD is one of 1,362 obstetrics & gynecology physician records with a practice address in New Jersey. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 49% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1999 · median 2003 among the 900 with a school on file
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in New Jersey
There are 1,362 obstetrics & gynecology physician records in New Jersey.
All 1,362 in New Jersey → Every provider in Florham Park → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Judy Banks, M.D.Florham Park, NJ 079321932124070
- Joel Frank, DOFlorham Park, NJ 079321487282323
- Diana Huang, M.D.Florham Park, NJ 079321467686162
- James Kusnierz, DOFlorham Park, NJ 079321932269354
- Mary McGueFlorham Park, NJ 079321629537550
- John Bonamo, MDChatham, NJ 079281760656714
- Angela Hopf, MDEast Hanover, NJ 079361528706512
- Fred Silverberg, M.D.Chatham, NJ 079281922055201
Common questions
What is Andrew L. Defazio, MD's NPI number?
Andrew L. Defazio, MD's National Provider Identifier (NPI) is 1568435824, issued on Feb 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Andrew L. Defazio, MD located?
The NPPES record lists a practice address at 140 Park Ave, Florham Park, NJ, 07932. Phone: (973) 718-5775. Providers update this record themselves, so call before visiting.
How can I verify Andrew L. Defazio, MD's license?
Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Andrew L. Defazio, MD prescribe under Medicare Part D?
In 2024, Andrew L. Defazio, MD had 52 Medicare Part D claims for 29 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.